Home / 412,485,083.91-569,216,384.78-226,845,525.51

Finding the Fourth Proportional to 412,485,083.91, 569,216,384.78 and 226,845,525.51

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Solution

The fourth proportional to 412,485,083.91, 569,216,384.78 and 226,845,525.51 is: 313,039,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,485,083.91 : 569,216,384.78 = 226,845,525.51 : x
  2. Step 2: Convert to fraction form
    412,485,083.91/569,216,384.78 = 226,845,525.51/x
  3. Step 3: Cross multiply
    412,485,083.91x = 569,216,384.78 × 226,845,525.51
  4. Step 4: Simplify right side
    412,485,083.91x = 129,124,189,933,187,232
  5. Step 5: Solve for x
    x = 129,124,189,933,187,232/412,485,083.91
  6. Step 6: Final answer
    x = 313,039,658.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.